derringer, also spelled Deringer, pocket pistol produced in the early 19th century by Henry Deringer (q.v.), a Philadelphia gunsmith. This article was most recently revised and updated by Amy Tikkanen, Corrections Manager.

Why is it called a derringer?

The original Philadelphia Deringer was a muzzleloading caplock single-shot pistol introduced in 1825 by Henry Deringer. ... The term "derringer" (/ˈdɛrɪndʒər/) became a genericized misspelling during the reporting of the Lincoln assassination, which was committed with a concealed Philadelphia Deringer.

What is the purpose of a derringer?

A derringer is generally the smallest usable handgun of a given caliber. They were frequently used by women, because they are easily concealable in a purse or as a stocking gun. Such weapons designed specifically for women were called "muff pistols", due to their compact size enabling them to be carried in a muff.